00001
00005 #ifndef __ENET_PROTOCOL_H__
00006 #define __ENET_PROTOCOL_H__
00007
00008 #include "enet/types.h"
00009
00010 enum
00011 {
00012 ENET_PROTOCOL_MINIMUM_MTU = 576,
00013 ENET_PROTOCOL_MAXIMUM_MTU = 4096,
00014 ENET_PROTOCOL_MAXIMUM_PACKET_COMMANDS = 32,
00015 ENET_PROTOCOL_MINIMUM_WINDOW_SIZE = 4096,
00016 ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE = 32768,
00017 ENET_PROTOCOL_MINIMUM_CHANNEL_COUNT = 1,
00018 ENET_PROTOCOL_MAXIMUM_CHANNEL_COUNT = 255,
00019 ENET_PROTOCOL_MAXIMUM_PEER_ID = 0x7FFF
00020 };
00021
00022 typedef enum _ENetProtocolCommand
00023 {
00024 ENET_PROTOCOL_COMMAND_NONE = 0,
00025 ENET_PROTOCOL_COMMAND_ACKNOWLEDGE = 1,
00026 ENET_PROTOCOL_COMMAND_CONNECT = 2,
00027 ENET_PROTOCOL_COMMAND_VERIFY_CONNECT = 3,
00028 ENET_PROTOCOL_COMMAND_DISCONNECT = 4,
00029 ENET_PROTOCOL_COMMAND_PING = 5,
00030 ENET_PROTOCOL_COMMAND_SEND_RELIABLE = 6,
00031 ENET_PROTOCOL_COMMAND_SEND_UNRELIABLE = 7,
00032 ENET_PROTOCOL_COMMAND_SEND_FRAGMENT = 8,
00033 ENET_PROTOCOL_COMMAND_SEND_UNSEQUENCED = 9,
00034 ENET_PROTOCOL_COMMAND_BANDWIDTH_LIMIT = 10,
00035 ENET_PROTOCOL_COMMAND_THROTTLE_CONFIGURE = 11,
00036 ENET_PROTOCOL_COMMAND_COUNT = 12,
00037
00038 ENET_PROTOCOL_COMMAND_MASK = 0x0F
00039 } ENetProtocolCommand;
00040
00041 typedef enum _ENetProtocolFlag
00042 {
00043 ENET_PROTOCOL_COMMAND_FLAG_ACKNOWLEDGE = (1 << 7),
00044 ENET_PROTOCOL_COMMAND_FLAG_UNSEQUENCED = (1 << 6),
00045
00046 ENET_PROTOCOL_HEADER_FLAG_SENT_TIME = (1 << 15),
00047 ENET_PROTOCOL_HEADER_FLAG_MASK = 0x8000
00048 } ENetProtocolFlag;
00049
00050 #ifdef _MSC_VER_
00051 #pragma pack(push, 1)
00052 #define ENET_PACKED
00053 #elif defined(__GNUC__)
00054 #define ENET_PACKED __attribute__ ((packed))
00055 #else
00056 #define ENET_PACKED
00057 #endif
00058
00059 typedef struct _ENetProtocolHeader
00060 {
00061 enet_uint32 checksum;
00062 enet_uint16 peerID;
00063 enet_uint16 sentTime;
00064 } ENET_PACKED ENetProtocolHeader;
00065
00066 typedef struct _ENetProtocolCommandHeader
00067 {
00068 enet_uint8 command;
00069 enet_uint8 channelID;
00070 enet_uint16 reliableSequenceNumber;
00071 } ENET_PACKED ENetProtocolCommandHeader;
00072
00073 typedef struct _ENetProtocolAcknowledge
00074 {
00075 ENetProtocolCommandHeader header;
00076 enet_uint16 receivedReliableSequenceNumber;
00077 enet_uint16 receivedSentTime;
00078 } ENET_PACKED ENetProtocolAcknowledge;
00079
00080 typedef struct _ENetProtocolConnect
00081 {
00082 ENetProtocolCommandHeader header;
00083 enet_uint16 outgoingPeerID;
00084 enet_uint16 mtu;
00085 enet_uint32 windowSize;
00086 enet_uint32 channelCount;
00087 enet_uint32 incomingBandwidth;
00088 enet_uint32 outgoingBandwidth;
00089 enet_uint32 packetThrottleInterval;
00090 enet_uint32 packetThrottleAcceleration;
00091 enet_uint32 packetThrottleDeceleration;
00092 enet_uint32 sessionID;
00093 } ENET_PACKED ENetProtocolConnect;
00094
00095 typedef struct _ENetProtocolVerifyConnect
00096 {
00097 ENetProtocolCommandHeader header;
00098 enet_uint16 outgoingPeerID;
00099 enet_uint16 mtu;
00100 enet_uint32 windowSize;
00101 enet_uint32 channelCount;
00102 enet_uint32 incomingBandwidth;
00103 enet_uint32 outgoingBandwidth;
00104 enet_uint32 packetThrottleInterval;
00105 enet_uint32 packetThrottleAcceleration;
00106 enet_uint32 packetThrottleDeceleration;
00107 } ENET_PACKED ENetProtocolVerifyConnect;
00108
00109 typedef struct _ENetProtocolBandwidthLimit
00110 {
00111 ENetProtocolCommandHeader header;
00112 enet_uint32 incomingBandwidth;
00113 enet_uint32 outgoingBandwidth;
00114 } ENET_PACKED ENetProtocolBandwidthLimit;
00115
00116 typedef struct _ENetProtocolThrottleConfigure
00117 {
00118 ENetProtocolCommandHeader header;
00119 enet_uint32 packetThrottleInterval;
00120 enet_uint32 packetThrottleAcceleration;
00121 enet_uint32 packetThrottleDeceleration;
00122 } ENET_PACKED ENetProtocolThrottleConfigure;
00123
00124 typedef struct _ENetProtocolDisconnect
00125 {
00126 ENetProtocolCommandHeader header;
00127 enet_uint32 data;
00128 } ENET_PACKED ENetProtocolDisconnect;
00129
00130 typedef struct _ENetProtocolPing
00131 {
00132 ENetProtocolCommandHeader header;
00133 } ENET_PACKED ENetProtocolPing;
00134
00135 typedef struct _ENetProtocolSendReliable
00136 {
00137 ENetProtocolCommandHeader header;
00138 enet_uint16 dataLength;
00139 } ENET_PACKED ENetProtocolSendReliable;
00140
00141 typedef struct _ENetProtocolSendUnreliable
00142 {
00143 ENetProtocolCommandHeader header;
00144 enet_uint16 unreliableSequenceNumber;
00145 enet_uint16 dataLength;
00146 } ENET_PACKED ENetProtocolSendUnreliable;
00147
00148 typedef struct _ENetProtocolSendUnsequenced
00149 {
00150 ENetProtocolCommandHeader header;
00151 enet_uint16 unsequencedGroup;
00152 enet_uint16 dataLength;
00153 } ENET_PACKED ENetProtocolSendUnsequenced;
00154
00155 typedef struct _ENetProtocolSendFragment
00156 {
00157 ENetProtocolCommandHeader header;
00158 enet_uint16 startSequenceNumber;
00159 enet_uint16 dataLength;
00160 enet_uint32 fragmentCount;
00161 enet_uint32 fragmentNumber;
00162 enet_uint32 totalLength;
00163 enet_uint32 fragmentOffset;
00164 } ENET_PACKED ENetProtocolSendFragment;
00165
00166 typedef union _ENetProtocol
00167 {
00168 ENetProtocolCommandHeader header;
00169 ENetProtocolAcknowledge acknowledge;
00170 ENetProtocolConnect connect;
00171 ENetProtocolVerifyConnect verifyConnect;
00172 ENetProtocolDisconnect disconnect;
00173 ENetProtocolPing ping;
00174 ENetProtocolSendReliable sendReliable;
00175 ENetProtocolSendUnreliable sendUnreliable;
00176 ENetProtocolSendUnsequenced sendUnsequenced;
00177 ENetProtocolSendFragment sendFragment;
00178 ENetProtocolBandwidthLimit bandwidthLimit;
00179 ENetProtocolThrottleConfigure throttleConfigure;
00180 } ENET_PACKED ENetProtocol;
00181
00182 #ifdef _MSC_VER_
00183 #pragma pack(pop)
00184 #endif
00185
00186 #endif
00187